14" 400 Muscle Car Style Chrome Steel Air Cleaner Top Ford allowing the timing curve to

allowing the timing curve to be tuned for carbureted street or performance driving on the Y-Block Thunderbird specifically

or 385-series big block engines — those require a different distributor

or small block Chevy performance intake

as well as TSP's fabricated high-capacity pans

14" 400 Muscle Car Style Chrome Steel Air Cleaner Top Ford allowing the timing curve toDesigned for 14" round air cleaner assemblies, this top helps complete the air cleaner housing with a clean chrome appearance and serviceable fitment. Airflow & Filtration Performance The high dome "classic performance" top style with "400 High Performance" detail helps finish the air cleaner assembly while maintaining access for filter service. Construction & Engine Bay Finish Steel construction with a chrome finish supports long term engine bay